Patti, a vice-president with PNC Bank, did not want to talk about his resignation or the strike, but a PNC Bank spokesperson told me that Patti resigned not because of any threats from the union but because of a "potential conflict of interest." According to Local 8 business manager Mike Barnes, Local 8 does its banking with PNC.
SOURCE: The Philly Post at 03:48PM on January 29, 2013